20 Delivery of Media Resource Broker address information

29.1653GPPInter-IMS Network to Network Interface (NNI)Release 18TS

Based on inter-operator agreement, the procedure to deliver MRB address information may be supported over the roaming II-NNI.

NOTE: Subsequent interaction between home network MRB and visited network MRB is outside the scope of this document.

If the procedure to enable optimised allocation of media resources is supported, the procedures in 3GPP TS 24.229 [5] shall be applied and the capabilities below shall be provided at the roaming II-NNI.

The "g.3gpp.mrb" feature-capability indicator (defined in 3GPP TS 24.229 [5] clause 7.9A.6) with the MRB address included in the Feature-Caps header field as described in IETF RFC 6809 [143] in the INVITE request or in the UPDATE request and in the 2xx response to the UPDATE request shall be supported at the roaming II-NNI.